关于参考文献的类型，以下部分引用自LatexPrimer

@article: Entry for an article from a journal or magazine.
required fields: author, title, journal, year.
optional fields: volume, number, pages, month, note.
@book: Entry for a book with a definite publisher.
required fields: author or editor, title, publisher, year.
optional fields: volume or number, series, address, edition, month, note.
@booklet: Entry for a printed and bound work without the name of a publisher
or sponsoring organisation.
required fields: title.
optional fields: author, howpublished, address, month, year, note.
36 IV. BIBLIOGRAPHIC DATABASES
@conference: Entry for an article in conference proceedings.
required fields: author, title, booktitle, year.
optional fields: editor, volume or number, series, pages, address, month, organisation,
publisher, note.
@inbook: Entry for a part (chapter, section, certain pages) of a book.
required fields: author or editor, title, chapter and/or pages, publisher, year.
optional fields: volume or number, series, type, address, edition, month, note.
@incollection: Entry for part of a book that has its own title.
required fields: author, title, booktitle, publisher, year.
optional fields: editor, volume or number, series, type, chapter, pages, address, edition,
month, note.
@inproceedings: Entry for an article in conference proceedings.
required fields: author, title, booktitle, year.
optional fields: editor, volume or number, series, pages, address, month, organisation,
publisher, note.
@manual: Entry for technical documentation.
required fields: title.
optional fields: author, organisation, address, edition, month, year, note.
@masterthesis: Entry for a Master’s thesis.
required fields: author, title, school, year.
optional fields: type, address, month, note.
@misc: Entry for a work that does not fit under any of the others.
required fields: none.
optional fields: author, title, howpublished, month, year, note.
@phdthesis: Entry for a PhD thesis.
required fields: author, title, school, year.
optional fields: type, address, month, note.
@proceedings: Entry for conference proceedings.
required fields: title, year.
optional fields: editor, volume or number, series, address, month, organisation,
publisher, note.
@unpublished: Entry for an unpublished work with an author and title.
required fields: author, title, note.
optional fields: month, year.
IV.3.1. Example of a LATEX file (sample.tex) usin